Prepaid Expenses and Other - Schedule of Prepaid Expenses and Other (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other receivables	$ 751	$ 748
Deposits	420	597
Prepaid insurance	517	524
Prepaid rent	234	259
Prepaid repairs and maintenance	917	687
Prepaid taxes	279	641
Prepaid commissions	2,935	2,696
Prepaid expenses	1,042	1,089
Total prepaid expenses and other	$ 7,095	$ 7,241